Publications
2024
Overview of physics results from MAST upgrade towards core-pedestal-exhaust integration
Harrison, J. R., Aboutaleb, A., Ahmed, S., Aljunid, M., Allan, S. Y., Anand, H., . . . Zamkovska, V. (2024). Overview of physics results from MAST upgrade towards core-pedestal-exhaust integration. Nuclear Fusion, 64(11), 112017. doi:10.1088/1741-4326/ad6011
A study of the formation of fuzzy tungsten in a HiPIMS plasma system
Ali, Z., Bahri, M., Bilton, M., & Bradley, J. W. (n.d.). A study of the formation of fuzzy tungsten in a HiPIMS plasma system. Journal of Physics D: Applied Physics. doi:10.1088/1361-6463/ad2005
A field programmable gate array based Langmuir probe system for measurement of plasma parameters at 500 kHz in a high-power impulse magnetron sputtering plasma.
Hickling, C. J., Hall, S., Harrison, J. R., Sharples, R., & Bradley, J. W. (2024). A field programmable gate array based Langmuir probe system for measurement of plasma parameters at 500 kHz in a high-power impulse magnetron sputtering plasma.. The Review of scientific instruments, 95(3), 033503. doi:10.1063/5.0174458
Plasma polymerization of isopentyl nitrite at atmospheric pressure: Gas phase analysis and surface chemistry
Wang, Y., Robson, A. J., Simon, S., Short, R. D., & Bradley, J. W. (2024). Plasma polymerization of isopentyl nitrite at atmospheric pressure: Gas phase analysis and surface chemistry. Plasma Processes and Polymers. doi:10.1002/ppap.202300162
2023
The Erosion of selected tungsten coatings by ion beam and plasma sources compared to calculated predictions
Jackson, M., Bunting, P., Lee, V., Vishnyakov, V., Bradley, J. W., Ali, Z., . . . Wagenaars, E. (2023). The Erosion of selected tungsten coatings by ion beam and plasma sources compared to calculated predictions. FUSION ENGINEERING AND DESIGN, 192. doi:10.1016/j.fusengdes.2023.113781
High power impulse magnetron sputtering of tungsten: a comparison of experimental and modelling results
Babu, S. S., Rudolph, M., Ryan, P. J., Fischer, J., Lundin, D., Bradley, J. W., & Gudmundsson, J. T. (2023). High power impulse magnetron sputtering of tungsten: a comparison of experimental and modelling results. PLASMA SOURCES SCIENCE & TECHNOLOGY, 32(3). doi:10.1088/1361-6595/acc12f
Evidence for fireballs in bipolar HiPIMS plasmas
Law, M. A., Lockwood Estrin, F., Bryant, P. M., Bowden, M. D., & Bradley, J. W. (2023). Evidence for fireballs in bipolar HiPIMS plasmas. Plasma Sources Science and Technology, 32(2), 025015. doi:10.1088/1361-6595/acbc97
Measuring Plasma Ion Temperature in the MAST-U Divertor
Damizia, Y., Allan, S. Y., Elmore, S., Ryan, P., Harrison, J., & Bradley, J. W. (2023). Measuring Plasma Ion Temperature in the MAST-U Divertor. In 49th EPS Conference on Plasma Physics, EPS 2023.
2022
The importance of measuring dissolved molecular oxygen during plasma jet treatment of cells cultured in vitro
GAUR, N., Oh, J. -S., Strudwick, X., Short, R. D., Ogawa, K., Hatta, A., . . . Szili, E. J. (n.d.). The importance of measuring dissolved molecular oxygen during plasma jet treatment of cells cultured in vitro. Unknown Journal, 1785. doi:10.11470/jsapmeeting.2017.1.0_1785
Ion energy analysis of a bipolar HiPIMS discharge using a retarding field energy analyser
Walk, F., Valizadeh, R., & Bradley, J. W. (2022). Ion energy analysis of a bipolar HiPIMS discharge using a retarding field energy analyser. PLASMA SOURCES SCIENCE & TECHNOLOGY, 31(6). doi:10.1088/1361-6595/ac6a0d
Ultra-Fast Langmuir Probe in Magnetised Plasma
Hickling, C. J., Hall, S., Harrison, J., Seath, R., Sharples, R., & Bradley, J. (2022). Ultra-Fast Langmuir Probe in Magnetised Plasma. In 2022 IEEE International Conference on Plasma Science (ICOPS) (pp. 1). IEEE. doi:10.1109/icops45751.2022.9813227
First results of the Ultra-Fast Biasing Langmuir Probe in a pulsed low temperature magnetron plasma
Hickling, C. J., Hall, S., Seath, R., Harrison, J. R., Sharples, R., & Bradley, J. W. (2022). First results of the Ultra-Fast Biasing Langmuir Probe in a pulsed low temperature magnetron plasma. In 48th EPS Conference on Plasma Physics, EPS 2022.
2021
Measurement of negative ion fluxes during DC reactive magnetron sputtering of Ti in Ar/O2 atmosphere using a magnetic-filtering probe
Poolcharuansin, P., Chingsungnoen, A., Pasaja, N., Horprathum, M., & Bradley, J. W. (2021). Measurement of negative ion fluxes during DC reactive magnetron sputtering of Ti in Ar/O2 atmosphere using a magnetic-filtering probe. Vacuum, 194, 110549. doi:10.1016/j.vacuum.2021.110549
The effects of impurity gas seeding on the growth of fuzzy tungsten
McCarthy, P., Hwangbo, D., Kajita, S., & Bradley, J. W. (2021). The effects of impurity gas seeding on the growth of fuzzy tungsten. JOURNAL OF NUCLEAR MATERIALS, 556. doi:10.1016/j.jnucmat.2021.153125
Diagnosing asymmetric bipolar HiPIMS discharges using laser Thomson scattering
Law, M. A., Estrin, F. L., Bowden, M. D., & Bradley, J. W. (2021). Diagnosing asymmetric bipolar HiPIMS discharges using laser Thomson scattering. PLASMA SOURCES SCIENCE & TECHNOLOGY, 30(10). doi:10.1088/1361-6595/ac2be4
METHODOLOGY, CHARACTERISATION AND RESULTS FROM THE PROTOTYPE BEAM LOSS MONITORING ASIC AT CERN
Martina, F., Zamantzas, C., Giangrande, L., Kaplon, J., Leitao, P. V., Bradley, J. W., & Welsch, C. P. (2021). METHODOLOGY, CHARACTERISATION AND RESULTS FROM THE PROTOTYPE BEAM LOSS MONITORING ASIC AT CERN. In CERN-Proceedings (pp. 294-298). doi:10.18429/JACoW-IBIC2021-TUPP34
Angular dependence measurements of Magnum-PSI plasmas using MAST-U angled-tip Langmuir probes
Leland, J., Elmore, S., Kirk, A., van der Meiden, H. J., Scholten, J., Allan, S. Y., & Bradley, J. W. (2021). Angular dependence measurements of Magnum-PSI plasmas using MAST-U angled-tip Langmuir probes. Nuclear Materials and Energy, 27. doi:10.1016/j.nme.2021.100954
2020
Plasma polymerization of (2,2,6,6-tetramethylpiperidin-1-yl)oxyl in a collisional, capacitively coupled radio frequency discharge
Barnes, M. J., Robson, A. J., Naderi, J., Short, R. D., & Bradley, J. W. (2020). Plasma polymerization of (2,2,6,6-tetramethylpiperidin-1-yl)oxyl in a collisional, capacitively coupled radio frequency discharge. BIOINTERPHASES, 15(6). doi:10.1116/6.0000662
Nb-doped TiO2 coatings developed by high power impulse magnetron sputtering-chemical vapor deposition hybrid deposition process
Kulczyk-Malecka, J., Donaghy, D., Delfour-Peyrethon, B., Werner, M., Chalker, P. R., Bradley, J. W., & Kelly, P. J. (2020). Nb-doped TiO2 coatings developed by high power impulse magnetron sputtering-chemical vapor deposition hybrid deposition process. Journal of Vacuum Science & Technology A, 38(3), 033410. doi:10.1116/6.0000118
Polymer photocatalysts with plasma-enhanced activity
Sprick, R. S., Cheetham, K. J., Bai, Y., Alves Fernandes, J., Barnes, M., Bradley, J. W., & Cooper, A. I. (2020). Polymer photocatalysts with plasma-enhanced activity. Journal of Materials Chemistry A, 2020(15), 7125-7129. doi:10.1039/d0ta01200a
Determining the Level and Location of Functional Groups on Few-Layer Graphene and Their Effect on the Mechanical Properties of Nanocomposites.
Legge, E. J., Paton, K. R., Wywijas, M., McMahon, G., Pemberton, R., Kumar, N., . . . Pollard, A. J. (2020). Determining the Level and Location of Functional Groups on Few-Layer Graphene and Their Effect on the Mechanical Properties of Nanocomposites.. ACS applied materials & interfaces. doi:10.1021/acsami.9b22144
Enhanced fuzzy tungsten growth in the presence of tungsten deposition
McCarthy, P., Hwangbo, D., Bilton, M., Kajita, S., & Bradley, J. W. (2020). Enhanced fuzzy tungsten growth in the presence of tungsten deposition. Nuclear Fusion, 60. doi:10.1088/1741-4326/ab6060
2019
Filament identification in wide-angle high speed imaging of the mega amp spherical tokamak
Bradley, J. W. (2019). Filament identification in wide-angle high speed imaging of the mega amp spherical tokamak. Review of Scientific Instruments. doi:10.1063/1.5109470
Overview of new MAST physics in anticipation of first results from MAST Upgrade
Harrison, J. R., Akers, R. J., Allan, S. Y., Allcock, J. S., Allen, J. O., Appel, L., . . . Team, E. M. (2019). Overview of new MAST physics in anticipation of first results from MAST Upgrade. NUCLEAR FUSION, 59(11). doi:10.1088/1741-4326/ab121c
Ball pen probe in strongly magnetised RF plasmas
Harris, B., Smith, M., Murphy-Sugrue, S., Harrison, J., Bradley, J., & Bryant, P. M. (2019). Ball pen probe in strongly magnetised RF plasmas. Plasma Sources Science and Technology, 28. doi:10.1088/1361-6595/ab1329
Plasma Polymerisation Using Helium Atmospheric-Pressure Plasma Jet with Heptylamine Monomer
Doherty, K. G., Oh, J. -S., Unsworth, P., Sheridan, C. M., Weightman, P., Bradley, J., & Williams, R. L. (2019). Plasma Polymerisation Using Helium Atmospheric-Pressure Plasma Jet with Heptylamine Monomer. Plasma Processes and Polymers, 16(4). doi:10.1002/ppap.201800185
Comparison of Langmuir probe and laser Thomson scattering for plasma density and electron temperature measurements in HiPIMS plasma
Ryan, P. J., Bradley, J. W., & Bowden, M. D. (2019). Comparison of Langmuir probe and laser Thomson scattering for plasma density and electron temperature measurements in HiPIMS plasma. Physics of Plasmas, 26(4). doi:10.1063/1.5094602
Ionic Species in a Naphthalene Plasma: Understanding Fragmentation Patterns and Growth of PAHs.
Alliati, M., Donaghy, D., Tu, X., & Bradley, J. W. (2019). Ionic Species in a Naphthalene Plasma: Understanding Fragmentation Patterns and Growth of PAHs. JOURNAL OF PHYSICAL CHEMISTRY A, 123(10), 2107-2113. doi:10.1021/acs.jpca.9b00100
2018
Growth of nano-tendril bundles on tungsten with impurity-rich He plasmas
Hwangbo, D., Kajita, S., Ohno, N., McCarthy, P., Bradley, J. W., & Tanaka, H. (2018). Growth of nano-tendril bundles on tungsten with impurity-rich He plasmas. NUCLEAR FUSION, 58(9). doi:10.1088/1741-4326/aacd1f
Experimental study of atmospheric-pressure micro-plasmas for the ambient sampling of conductive materials
Duan, Z., He, F., Si, X., Bradley, J. W., & Ouyang, J. (2018). Experimental study of atmospheric-pressure micro-plasmas for the ambient sampling of conductive materials. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 51(6). doi:10.1088/1361-6463/aaa31a
Explosive detection using a novel dielectric barrier discharge ionisation source for mass spectrometry
Fletcher, C., Sleeman, R., Luke, J., Luke, P., & Bradley, J. W. (2018). Explosive detection using a novel dielectric barrier discharge ionisation source for mass spectrometry. JOURNAL OF MASS SPECTROMETRY, 53(3), 214-222. doi:10.1002/jms.4051
Comparison of Thomson scattering and Langmuir probe for electron property measurements in a DC magnetron plasma
Ryan, P. J., Bradley, J. W., & Bowden, M. D. (2018). Comparison of Thomson scattering and Langmuir probe for electron property measurements in a DC magnetron plasma. In 45th EPS Conference on Plasma Physics, EPS 2018 Vol. 2018-July (pp. 529-532).
Filament statistics with imaging techniques and comparison with langmuir probes
Farley, T., Militello, F., Walkden, N. R., Kogan, L., Harrison, J., Silburn, S. S., & Bradley, J. W. (2018). Filament statistics with imaging techniques and comparison with langmuir probes. In 45th EPS Conference on Plasma Physics, EPS 2018 Vol. 2018-July (pp. 1592-1595).
Mechanisms of atmospheric pressure plasma treatment of BOPP
Sawtell, D. A. G., Abd-Allah, Z., Bradley, J. W., West, G. T., & Kelly, P. J. (2018). Mechanisms of atmospheric pressure plasma treatment of BOPP. PLASMA PROCESSES AND POLYMERS, 15(1). doi:10.1002/ppap.201700051
2017
Studying Townsend and glow modes in an atmospheric-pressure DBD using mass spectrometry
McKay, K., Donaghy, D., HE, F., & Bradley, J. W. (2017). Studying Townsend and glow modes in an atmospheric-pressure DBD using mass spectrometry. Plasma Sources Science and Technology, 27. doi:10.1088/1361-6595/aa9cb0
Overview of recent physics results from MAST
Kirk, A., Adamek, J., Akers, R. J., Allan, S., Appel, L., Lucini, F. A., . . . Zoletnik, S. (2017). Overview of recent physics results from MAST. NUCLEAR FUSION, 57(10). doi:10.1088/1741-4326/aa65e0
Electrical and optical properties of a gradient microplasma for microfluidic chips
Bryant, P. M., Wettstein, P., Al-Bataineh, S. A., Short, R. D., Bradley, J. W., Low, S. P., . . . Szili, E. J. (2017). Electrical and optical properties of a gradient microplasma for microfluidic chips. Plasma Processes and Polymers, 14(9). doi:10.1002/ppap.201600194
Particle-balance models for pulsed sputtering magnetrons
Huo, C., Lundin, D., Gudmundsson, J. T., Raadu, M. A., Bradley, J. W., & Brenning, N. (2017). Particle-balance models for pulsed sputtering magnetrons. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 50(35). doi:10.1088/1361-6463/aa7d35
Triple probe interrogation of spokes in a HiPIMS discharge
Estrin, F. L., Karkari, S. K., & Bradley, J. W. (2017). Triple probe interrogation of spokes in a HiPIMS discharge. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 50(29). doi:10.1088/1361-6463/aa7544
Counter-propagating streamers in an atmospheric-pressure helium plasma jet
Hasan, M. I., Cvelbar, U., Bradley, J. W., & Walsh, J. L. (2017). Counter-propagating streamers in an atmospheric-pressure helium plasma jet. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 50(20). doi:10.1088/1361-6463/aa6a41
Improved Understanding of the Ball-Pen Probe through Particle-In-Cell Simulations
Murphy-Sugrue, S., Harrison, J., Walkden, N. R., Bryant, P. M., & Bradley, J. W. (2017). Improved Understanding of the Ball-Pen Probe through Particle-In-Cell Simulations. Plasma Physics and Controlled Fusion, 59(05), 7 pages. doi:10.1088/1361-6587/aa60d0
Linker-free covalent immobilization of nisin using atmospheric pressure plasma induced grafting
Aveyard, J., Bradley, J. W., McKay, K., McBride, F., Donaghy, D., Raval, R., & D'Sa, R. A. (2017). Linker-free covalent immobilization of nisin using atmospheric pressure plasma induced grafting. Journal of Materials Chemistry B, 5(13), 2500-2510. doi:10.1039/C7TB00113D
Reel-to-Reel Atmospheric Pressure Dielectric Barrier Discharge (DBD) Plasma Treatment of Polypropylene Films
Seidelmann, L. J. W., Bradley, J. W., Ratova, M., Hewitt, J., Moffat, J., & Kelly, P. (2017). Reel-to-Reel Atmospheric Pressure Dielectric Barrier Discharge (DBD) Plasma Treatment of Polypropylene Films. APPLIED SCIENCES-BASEL, 7(4). doi:10.3390/app7040337
Microplasma Array Patterning of Reactive Oxygen and Nitrogen Species onto Polystyrene
Szili, E. J., Dedrick, J., Oh, J. -S., Bradley, J. W., Boswell, R. W., Charles, C., . . . Al-Bataineh, S. A. (2017). Microplasma Array Patterning of Reactive Oxygen and Nitrogen Species onto Polystyrene. FRONTIERS IN PHYSICS, 5. doi:10.3389/fphy.2017.00001
Simultaneous electrical and optical study of spoke rotation, merging and splitting in HiPIMS plasma
Klein, P., Estrin, F. L., Hnilica, J., Vasina, P., & Bradley, J. W. (2017). Simultaneous electrical and optical study of spoke rotation, merging and splitting in HiPIMS plasma. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 50(1). doi:10.1088/1361-6463/50/1/015209
2016
Where physics meets chemistry: Thin film deposition from reactive plasmas
Michelmore, A., Whittle, J. D., Bradley, J. W., & Short, R. D. (2016). Where physics meets chemistry: Thin film deposition from reactive plasmas. FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING, 10(4), 441-458. doi:10.1007/s11705-016-1598-7
How plasma induced oxidation, oxygenation, and de-oxygenation influences viability of skin cells
Oh, J. -S., Strudwick, X., Short, R. D., Ogawa, K., Hatta, A., Furuta, H., . . . Szili, E. J. (2016). How plasma induced oxidation, oxygenation, and de-oxygenation influences viability of skin cells. APPLIED PHYSICS LETTERS, 109(20). doi:10.1063/1.4967880
Fuzzy tungsten in a magnetron sputtering device
Petty, T. J., Khan, A., Heil, T., & Bradley, J. W. (2016). Fuzzy tungsten in a magnetron sputtering device. JOURNAL OF NUCLEAR MATERIALS, 480, 374-385. doi:10.1016/j.jnucmat.2016.08.019
Mass Spectrometric Observations of the Ionic Species in a Double Dielectric Barrier Discharge Operating in Nitrogen
Abd-Allah, Z., Sawtell, D. A. G., West, G. T., Kelly, P. J., & Bradley, J. W. (2016). Mass Spectrometric Observations of the Ionic Species in a Double Dielectric Barrier Discharge Operating in Nitrogen. PLASMA PROCESSES AND POLYMERS, 13(6), 649-653. doi:10.1002/ppap.201500149
Reassessment of the body forces in a He atmospheric-pressure plasma jet: a modelling study
Hasan, M. I., & Bradley, J. W. (2016). Reassessment of the body forces in a He atmospheric-pressure plasma jet: a modelling study. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 49(5). doi:10.1088/0022-3727/49/5/055203
Atmospheric-Pressure Plasma Polymerization of Acrylic Acid: Gas-Phase Ion Chemistry
Moix, F., McKay, K., Walsh, J. L., & Bradley, J. W. (2016). Atmospheric-Pressure Plasma Polymerization of Acrylic Acid: Gas-Phase Ion Chemistry. PLASMA PROCESSES AND POLYMERS, 13(2), 236-240. doi:10.1002/ppap.201500031
TRIPLE PROBE MESUREMENTS IN HiPIMS PLASMA
Estrin, F. L., & Bradley, J. W. (2016). TRIPLE PROBE MESUREMENTS IN HiPIMS PLASMA. In 2016 43RD IEEE INTERNATIONAL CONFERENCE ON PLASMA SCIENCE (ICOPS). Retrieved from https://www.webofscience.com/
2015
Computational model of the interaction of a helium atmospheric-pressure jet with a dielectric surface
Hasan, M. I., & Bradley, J. W. (2015). Computational model of the interaction of a helium atmospheric-pressure jet with a dielectric surface. Journal of Physics D: Applied Physics, 48(43). doi:10.1088/0022-3727/48/43/435201
Overview of MAST results
Chapman, I. T., Adamek, J., Akers, R. J., Allan, S., Appel, L., Asunta, O., . . . Zoletnik, S. (2015). Overview of MAST results. NUCLEAR FUSION, 55(10). doi:10.1088/0029-5515/55/10/104008
Computational study of the afterglow in single and sequential pulsing of an atmospheric-pressure plasma jet
Hasan, M. I., & Bradley, J. W. (2015). Computational study of the afterglow in single and sequential pulsing of an atmospheric-pressure plasma jet. PLASMA SOURCES SCIENCE & TECHNOLOGY, 24(5). doi:10.1088/0963-0252/24/5/055015
Tungsten 'fuzz' growth re-examined: the dependence on ion fluence in non-erosive and erosive helium plasma
Petty, T. J., Baldwin, M. J., Hasan, M. I., Doerner, R. P., & Bradley, J. W. (2015). Tungsten 'fuzz' growth re-examined: the dependence on ion fluence in non-erosive and erosive helium plasma. Nuclear Fusion, 55(9). doi:10.1088/0029-5515/55/9/093033
The effect of changing the magnetic field strength on HiPIMS deposition rates
Bradley, J. W., Mishra, A., & Kelly, P. J. (2015). The effect of changing the magnetic field strength on HiPIMS deposition rates. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 48(21). doi:10.1088/0022-3727/48/21/215202
Numerical study of active species generation and delivery to a dielectric surface from a helium atmospheric-pressure plasma jet
Hasan, M. I., & Bradley, J. W. (2015). Numerical study of active species generation and delivery to a dielectric surface from a helium atmospheric-pressure plasma jet. In 2015 42ND IEEE INTERNATIONAL CONFERENCE ON PLASMA SCIENCES (ICOPS). Retrieved from https://www.webofscience.com/
The use of segmented cathodes to determine the spoke current density distribution in high power impulse magnetron sputtering plasmas
Poolcharuansin, P., Estrin, F. L., & Bradley, J. W. (2015). The use of segmented cathodes to determine the spoke current density distribution in high power impulse magnetron sputtering plasmas. JOURNAL OF APPLIED PHYSICS, 117(16). doi:10.1063/1.4918720
Mass spectrometric investigation of the ionic species in a dielectric barrier discharge operating in helium-water vapour mixtures
Abd-Allah, Z., Sawtell, D. A. G., McKay, K., West, G. T., Kelly, P. J., & Bradley, J. W. (2015). Mass spectrometric investigation of the ionic species in a dielectric barrier discharge operating in helium-water vapour mixtures. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 48(8). doi:10.1088/0022-3727/48/8/085202
Investigating the effect of additional gases in an atmospheric-pressure helium plasma jet using ambient mass spectrometry
Oh, J. -S., Furuta, H., Hatta, A., & Bradley, J. W. (2015). Investigating the effect of additional gases in an atmospheric-pressure helium plasma jet using ambient mass spectrometry. In JAPANESE JOURNAL OF APPLIED PHYSICS Vol. 54. doi:10.7567/JJAP.54.01AA03
Surface protein gradients generated in sealed microchannels using spatially varying helium microplasma
Wettstein, P., Priest, C., Al-Bataineh, S. A., Short, R. D., Bryant, P., Bradley, J. W., . . . Szili, E. J. (n.d.). Surface protein gradients generated in sealed microchannels using spatially varying helium microplasma. Biomicrofluidics, 9(1). doi:10.1063/1.4913367
2014
Characterization of micro-plasmas for Ambient Mass Spectrometry Imaging
Bowfield, A., Bunch, J., Salter, T. L., Steven, R., Gilmore, I. S., Barrett, D. A., . . . Bradley, J. W. (2014). Characterization of micro-plasmas for Ambient Mass Spectrometry Imaging. Analyst, 139(21), 5430-5438. doi:10.1039/c4an01110d
Comparison of Three Plasma Sources for Ambient Desorption/Ionization Mass Spectrometry
McKay, K., Salter, T. L., Bowfield, A., Walsh, J. L., Gilmore, I. S., & Bradley, J. W. (2014). Comparison of Three Plasma Sources for Ambient Desorption/Ionization Mass Spectrometry. Journal of The American Society for Mass Spectrometry, 25(9), 1528-1537. doi:10.1007/s13361-014-0924-x
Inert gas effects on the deposition rate of TiO<sub>2</sub> during reactive HiPIMS
Bowes, M., & Bradley, J. W. (2014). Inert gas effects on the deposition rate of TiO<sub>2</sub> during reactive HiPIMS. SURFACE & COATINGS TECHNOLOGY, 250, 2-6. doi:10.1016/j.surfcoat.2014.02.009
The behaviour of negative oxygen ions in the afterglow of a reactive HiPIMS discharge
Bowes, M., & Bradley, J. W. (2014). The behaviour of negative oxygen ions in the afterglow of a reactive HiPIMS discharge. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 47(26). doi:10.1088/0022-3727/47/26/265202
A 'tissue model' to study the plasma delivery of reactive oxygen species
Szili, E. J., Bradley, J. W., & Short, R. D. (2014). A 'tissue model' to study the plasma delivery of reactive oxygen species. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 47(15). doi:10.1088/0022-3727/47/15/152002
Measurement and control of the streamer head electric field in an atmospheric-pressure dielectric barrier plasma jet
Olszewski, P., Wagenaars, E., McKay, K., Bradley, J. W., & Walsh, J. L. (2014). Measurement and control of the streamer head electric field in an atmospheric-pressure dielectric barrier plasma jet. PLASMA SOURCES SCIENCE & TECHNOLOGY, 23(1). doi:10.1088/0963-0252/23/1/015010
A 'tissue model' to study the plasma delivery of reactive oxygen species
Szili, E. J., Bradley, J. W., & Short, R. D. (2014). A 'tissue model' to study the plasma delivery of reactive oxygen species. J. Phys. D: Appl. Phys., 47(47), 152002.
Comparison of three plasma sources for ambient desorption/ionisation mass spectrometry
McKay, K., Salter, T., Bowfield, A., Walsh, J., Gilmore, I., & Bradley, J. W. (2014). Comparison of three plasma sources for ambient desorption/ionisation mass spectrometry. J American Society for Mass Spectrometry, 25(9), 153-1528.
Measurement and control of the streamer head electric field in an atmospheric pressure dielectric barrier plasma jet
Olszewski, P., Wagenaars, E., McKay, K., Bradley, J. W., & Walsh, J. L. (2014). Measurement and control of the streamer head electric field in an atmospheric pressure dielectric barrier plasma jet. Plasma Sources Sci. Technol., 23, 015010.
The behaviour of oxygen negative ions in the afterglow of a reactive HiPIMS discharge
Bowes, M., & Bradley, J. W. (2014). The behaviour of oxygen negative ions in the afterglow of a reactive HiPIMS discharge. J. Phys. D: Appl. Phys., 47, 265202.
Tungsten nanostructure formation in a magnetron sputtering device
Petty, T. J., & Bradley, J. W. (2014). Tungsten nanostructure formation in a magnetron sputtering device. JOURNAL OF NUCLEAR MATERIALS, 453(1-3), 320-322. doi:10.1016/j.jnucmat.2014.07.023
2013
Mass spectrometric diagnosis of an atmospheric pressure helium microplasma jet
McKay, K., Oh, J. -S., Walsh, J. L., & Bradley, J. W. (2013). Mass spectrometric diagnosis of an atmospheric pressure helium microplasma jet. Journal of Physics D: Applied Physics, 46(46), 464018. doi:10.1088/0022-3727/46/46/464018
Mass spectrometric diagnosis of an atmospheric pressure helium microplasma jet
McKay, K., Oh, J. -S., Walsh, J. L., & Bradley, J. W. (2013). Mass spectrometric diagnosis of an atmospheric pressure helium microplasma jet. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 46(46). doi:10.1088/0022-3727/46/46/464018
Polystyrene Surface Modification for Localized Cell Culture Using a Capillary Dielectric Barrier Discharge Atmospheric-Pressure Microplasma Jet
Doherty, K. G., Oh, J. -S., Unsworth, P., Bowfield, A., Sheridan, C. M., Weightman, P., . . . Williams, R. L. (2013). Polystyrene Surface Modification for Localized Cell Culture Using a Capillary Dielectric Barrier Discharge Atmospheric-Pressure Microplasma Jet. PLASMA PROCESSES AND POLYMERS, 10(11), 978-989. doi:10.1002/ppap.201300052
Overview of physics results from MAST towards ITER/DEMO and the MAST Upgrade
Meyer, H., Abel, I. G., Akers, R. J., Allan, A., Allan, S. Y., Appel, L. C., . . . Zagôrski, R. (2013). Overview of physics results from MAST towards ITER/DEMO and the MAST Upgrade. Nuclear Fusion, 53(10), 104008. doi:10.1088/0029-5515/53/10/104008
Variability in Plasma Polymerization Processes – An International Round‐<scp>R</scp>obin Study
Whittle, J. D., Short, R. D., Steele, D. A., Bradley, J. W., Bryant, P. M., Jan, F., . . . Michelmore, A. (2013). Variability in Plasma Polymerization Processes – An International Round‐<scp>R</scp>obin Study. Plasma Processes and Polymers, 10(9), 767-778. doi:10.1002/ppap.201300029
Observations of ionic species produced in an atmospheric pressure pulse-modulated RF plasma needle
McKay, K., Walsh, J. L., & Bradley, J. W. (n.d.). Observations of ionic species produced in an atmospheric pressure pulse-modulated RF plasma needle. Plasma Sources Science and Technology, 22(3), 035005. doi:10.1088/0963-0252/22/3/035005
Observations of ionic species produced in an atmospheric pressure pulse-modulated RF plasma needle
McKay, K., Walsh, J. L., & Bradley, J. W. (2013). Observations of ionic species produced in an atmospheric pressure pulse-modulated RF plasma needle. PLASMA SOURCES SCIENCE & TECHNOLOGY, 22(3). doi:10.1088/0963-0252/22/3/035005
Studying the cytolytic activity of gas plasma with self-signalling phospholipid vesicles dispersed within a gelatin matrix
Marshall, S. E., Jenkins, A. T. A., Al-Bataineh, S. A., Short, R. D., Hong, S. -H., Thet, N. T., . . . Szili, E. J. (2013). Studying the cytolytic activity of gas plasma with self-signalling phospholipid vesicles dispersed within a gelatin matrix. Journal of Physics D: Applied Physics, 46(18), 185401. doi:10.1088/0022-3727/46/18/185401
Interaction of multiple plasma plumes in an atmospheric pressure plasma jet array
Ghasemi, M., Olszewski, P., Bradley, J. W., & Walsh, J. L. (2013). Interaction of multiple plasma plumes in an atmospheric pressure plasma jet array. JOURNAL OF PHYSICS D-APPLIED PHYSICS, 46(5). doi:10.1088/0022-3727/46/5/052001
Ambient surface mass spectrometry using plasma-assisted desorption ionization: effects and optimization of analytical parameters for signal intensities of molecules and polymers.
Salter, T. L., Gilmore, I. S., Bowfield, A., Olabanji, O. T., & Bradley, J. W. (2013). Ambient surface mass spectrometry using plasma-assisted desorption ionization: effects and optimization of analytical parameters for signal intensities of molecules and polymers.. Analytical chemistry, 85(3), 1675-1682. doi:10.1021/ac302677m
Negative ion energy distributions in reactive HiPIMS
Bowes, M., Poolcharuansin, P., & Bradley, J. W. (2013). Negative ion energy distributions in reactive HiPIMS. Journal of Physics D: Applied Physics, 46(4), 045204. doi:10.1088/0022-3727/46/4/045204
The spatial distribution of negative oxygen ion densities in a dc reactive magnetron discharge
Scribbins, S., Bowes, M., & Bradley, J. W. (2013). The spatial distribution of negative oxygen ion densities in a dc reactive magnetron discharge. Journal of Physics D: Applied Physics, 46(4), 045203. doi:10.1088/0022-3727/46/4/045203
Apparatus for Generating a Plasma
Bradley, J., & Walsh, J. (2013). Apparatus for Generating a Plasma.
Nanoscale deposition of chemically functionalised films via plasma polymerisation
Michelmore, A., Steele, D. A., Whittle, J. D., Bradley, J. W., & Short, R. D. (2013). Nanoscale deposition of chemically functionalised films via plasma polymerisation. RSC Advances, 3(33), 13540. doi:10.1039/c3ra41563e
Observations of gas-phase heavy ion formation in plasma jet polymerization of heptylamine at atmospheric pressure", Plasma Processes and Polymers
Oh, J. S., & Bradley, J. W. (2013). Observations of gas-phase heavy ion formation in plasma jet polymerization of heptylamine at atmospheric pressure", Plasma Processes and Polymers. Unknown Journal, 10 10(10), 839-842.
Optimum circuit design for the detection of laser photodetachment signals
Bryant, P. M., & Bradley, J. W. (n.d.). Optimum circuit design for the detection of laser photodetachment signals. Plasma Sources Science and Technology, 22(1), 015014. doi:10.1088/0963-0252/22/1/015014
Space charge, plasma potential and electric field distributions in HiPIMS discharges of varying configuration
Liebig, B., & Bradley, J. W. (n.d.). Space charge, plasma potential and electric field distributions in HiPIMS discharges of varying configuration. Plasma Sources Science and Technology, 22(4), 045020. doi:10.1088/0963-0252/22/4/045020
2012
Plasma bullet current measurements in a free-stream helium capillary jet
Oh, J. -S., Walsh, J. L., & Bradley, J. W. (2012). Plasma bullet current measurements in a free-stream helium capillary jet. PLASMA SOURCES SCIENCE & TECHNOLOGY, 21(3). doi:10.1088/0963-0252/21/3/034020
Surface analysis using a new plasma assisted desorption/ionisation source for mass spectrometry in ambient air.
Bowfield, A., Barrett, D. A., Alexander, M. R., Ortori, C. A., Rutten, F. M., Salter, T. L., . . . Bradley, J. W. (2012). Surface analysis using a new plasma assisted desorption/ionisation source for mass spectrometry in ambient air.. The Review of scientific instruments, 83(6), 063503. doi:10.1063/1.4729120
The manipulation of atmospheric pressure dielectric barrier plasma jets
Walsh, J. L., Olszewski, P., & Bradley, J. W. (2012). The manipulation of atmospheric pressure dielectric barrier plasma jets. PLASMA SOURCES SCIENCE & TECHNOLOGY, 21(3). doi:10.1088/0963-0252/21/3/034007
More evidence for azimuthal ion spin in HiPIMS discharges
Poolcharuansin, P., Liebig, B., & Bradley, J. W. (2012). More evidence for azimuthal ion spin in HiPIMS discharges. Plasma Sources Science and Technology, 21(1), 015001. doi:10.1088/0963-0252/21/1/015001
Apparatus for Generating a Plasma
Bradley, J., & Walsh, J. (2012). Apparatus for Generating a Plasma.
Symmetry in a cylindrical dielectric barrier micro-discharge
Bryant, P. M., Poolcharuanin, P., Oh, J. S., & Bradley, J. W. (2012). Symmetry in a cylindrical dielectric barrier micro-discharge. 9th Technoligical Plasma Workshop, 9, P21.
Time-resolved molecular beam mass spectrometry for an atmospheric-pressure plasma jet
Oh, J. -S., & Bradley, J. W. (2012). Time-resolved molecular beam mass spectrometry for an atmospheric-pressure plasma jet. 9th Technoligical Plasma Workshop, 9, 13.
2011
Atmospheric pressure micro-plasma jet technology for influencing cell-surface interactions
Doherty, K., Oh, J. S., Sheridan, C., Williams, R., & Bradley, J. W. (2011). Atmospheric pressure micro-plasma jet technology for influencing cell-surface interactions. In 24th European Conference on Biomaterials - Annual Conference of the European Society for Biomaterials.
Discharge and Plasma Bullet Formation in a Capillary DBD Atmospheric-Pressure Microplasma Jet
Oh, J. -S., Bryant, P. M., & Bradley, J. W. (2011). Discharge and Plasma Bullet Formation in a Capillary DBD Atmospheric-Pressure Microplasma Jet. IEEE Transactions on Plasma Science, 39(11), 2352-2353. doi:10.1109/tps.2011.2160290
Schlieren Photography of the Outflow From a Plasma Jet
Bradley, J. W., Oh, J. -S., Olabanji, O. T., Hale, C., Mariani, R., & Kontis, K. (2011). Schlieren Photography of the Outflow From a Plasma Jet. IEEE Transactions on Plasma Science, 39(11), 2312-2313. doi:10.1109/tps.2011.2157940
The 2D plasma potential distribution in a HiPIMS discharge
Mishra, A., Kelly, P. J., & Bradley, J. W. (2011). The 2D plasma potential distribution in a HiPIMS discharge. Journal of Physics D: Applied Physics, 44(42), 425201. doi:10.1088/0022-3727/44/42/425201
Role of positive ions in determining the deposition rate and film chemistry of continuous wave hexamethyl disiloxane plasmas.
Michelmore, A., Bryant, P. M., Steele, D. A., Vasilev, K., Bradley, J. W., & Short, R. D. (2011). Role of positive ions in determining the deposition rate and film chemistry of continuous wave hexamethyl disiloxane plasmas.. Langmuir : the ACS journal of surfaces and colloids, 27(19), 11943-11950. doi:10.1021/la202010n
Time-resolved mass spectroscopic studies of an atmospheric-pressure helium microplasma jet
Oh, J. -S., Aranda-Gonzalvo, Y., & Bradley, J. W. (2011). Time-resolved mass spectroscopic studies of an atmospheric-pressure helium microplasma jet. Journal of Physics D: Applied Physics, 44(36), 365202. doi:10.1088/0022-3727/44/36/365202
The development and analysis of plasma microfluidic devices
Olabanji, O. T., & Bradley, J. W. (2011). The development and analysis of plasma microfluidic devices. Surface and Coatings Technology, 205, S516-S519. doi:10.1016/j.surfcoat.2011.02.048
The temporal evolution of the negative ion density in a low duty cycle pulsed reactive magnetron discharge
You, S. D., Dodd, R., Edwards, A., & Bradley, J. W. (2011). The temporal evolution of the negative ion density in a low duty cycle pulsed reactive magnetron discharge. Surface and Coatings Technology, 205, S378-S380. doi:10.1016/j.surfcoat.2011.03.145
Imaging gas and plasma interactions in the surface-chemical modification of polymers using micro-plasma jets
Oh, J. -S., Olabanji, O. T., Hale, C., Mariani, R., Kontis, K., & Bradley, J. W. (2011). Imaging gas and plasma interactions in the surface-chemical modification of polymers using micro-plasma jets. Journal of Physics D: Applied Physics, 44(15), 155206. doi:10.1088/0022-3727/44/15/155206
Microplasma patterning of bonded microchannels using high-precision "injected" electrodes.
Priest, C., Gruner, P. J., Szili, E. J., Al-Bataineh, S. A., Bradley, J. W., Ralston, J., . . . Short, R. D. (2011). Microplasma patterning of bonded microchannels using high-precision "injected" electrodes.. Lab on a chip, 11(3), 541-544. doi:10.1039/c0lc00339e
Time-resolved Langmuir probe measurements in preionised HiPIMS discharge
Poolcharuansin, P., Bradley, J. W., & Kelly, P. J. (2011). Time-resolved Langmuir probe measurements in preionised HiPIMS discharge. Materials Technology, 26(1), 25-27. doi:10.1179/175355511x12941605982181
Controlling the Spatial Distribution of Polymer Surface Treatment Using Atmospheric-pressure microplasma jets
Szili, E. J., Al-Bataineh, S. A., Bryant, P. M., Short, R. D., Bradley, J. W., & Steele, D. A. (2011). Controlling the Spatial Distribution of Polymer Surface Treatment Using Atmospheric-pressure microplasma jets. Plasma Process. Polym., 8, 38.
Controlling the Spatial Distribution of Polymer Surface Treatment Using Atmospheric‐Pressure Microplasma Jets
Szili, E. J., Al‐Bataineh, S. A., Bryant, P. M., Short, R. D., Bradley, J. W., & Steele, D. A. (2011). Controlling the Spatial Distribution of Polymer Surface Treatment Using Atmospheric‐Pressure Microplasma Jets. Plasma Processes and Polymers, 8(1), 38-50. doi:10.1002/ppap.201000082
"The role of positive ions in determining the deposition rate and film chemistry of continuous wave hexamethyl disiloxane plasmas"
Michelmore, A., Bryant, P. M., Steele, D., Vasilev, K., Bradley, J. W., & Short, R. D. (2011). "The role of positive ions in determining the deposition rate and film chemistry of continuous wave hexamethyl disiloxane plasmas". Langmuir, 27(19), 11943-11950.
Discharge and Plasma Bullet Formation in a Capillary DBD Atmospheric-Pressure Microplasma Jet
Oh, J. S., Bryant, P. M., & Bradley, J. W. (2011). Discharge and Plasma Bullet Formation in a Capillary DBD Atmospheric-Pressure Microplasma Jet. IEEE TRANSACTIONS ON PLASMA SCIENCE, 39, 2352.
Micro-plasma Bullet Electrical Current Measuremnets
Oh, J. S., Poolcharuansin, P., Deng, L., Walsh, J. L., & Bradley, J. W. (2011). Micro-plasma Bullet Electrical Current Measuremnets. 6th International Workshop on Microplasmas, 6, 106.
Micro-plasma jet with flexible plastic tips
Oh, J. S., Bradley, J. W., & Hope, C. K. (2011). Micro-plasma jet with flexible plastic tips. In 8th Technological Plasma Workshop, Bristol Vol. Abs (pp. P15).
Resonance hairpin and Langmuir probe-assisted laser photodetachment measurements of the negative ion density in a pulsed dc magnetron discharge
Bradley, J. W., Dodd, R., You, S. D., Sirse, N., & Karkari, S. (2011). Resonance hairpin and Langmuir probe-assisted laser photodetachment measurements of the negative ion density in a pulsed dc magnetron discharge. J. Vac. Sci. Technol. A, 29(3), 1-31305.
2010
The evolution of the plasma potential in a HiPIMS discharge and its relationship to deposition rate
Mishra, A., Kelly, P. J., & Bradley, J. W. (2010). The evolution of the plasma potential in a HiPIMS discharge and its relationship to deposition rate. Plasma Sources Science and Technology, 19(4), 045014. doi:10.1088/0963-0252/19/4/045014
Short- and long-term plasma phenomena in a HiPIMS discharge
Poolcharuansin, P., & Bradley, J. W. (2010). Short- and long-term plasma phenomena in a HiPIMS discharge. Plasma Sources Science and Technology, 19(2), 025010. doi:10.1088/0963-0252/19/2/025010
The use of a micro-cavity discharge array at atmospheric pressure to investigate the spatial modification of polymer surfaces
Bryant, P. M., Szili, E. J., Whittle, T., Park, S. -J., Eden, J. G., Al-Bataineh, S., . . . Bradley, J. W. (2010). The use of a micro-cavity discharge array at atmospheric pressure to investigate the spatial modification of polymer surfaces. Surface and Coatings Technology, 204(14), 2279-2288. doi:10.1016/j.surfcoat.2009.12.020
'Negative ion density measurements in a reactive DC magnetron using the eclipse photodetachment method'
Dodd, R. D., You, S. D., Bryant, P., & Bradley, J. W. (2010). 'Negative ion density measurements in a reactive DC magnetron using the eclipse photodetachment method'. Plasma Sources Science and Technology 19 015021.
Negative ion density measurements in a reactive dc magnetron using the eclipse photodetachment method
Dodd, R., You, S. -D., Bryant, P. M., & Bradley, J. W. (2010). Negative ion density measurements in a reactive dc magnetron using the eclipse photodetachment method. Plasma Sources Science and Technology, 19(1), 015021. doi:10.1088/0963-0252/19/1/015021
Atmospheric-Pressure Microplasma-Jet Modified Polystyrene Surfaces as Substrates for Epithelial Cell Growth
Oh, J. S., Bradley, J. W., Doherty, K. G., Sheridan, C. M., Williams, R. L., Bowfield, A., . . . Weightman, P. (2010). Atmospheric-Pressure Microplasma-Jet Modified Polystyrene Surfaces as Substrates for Epithelial Cell Growth. AVS 57th International Symposium and Exhibition, 57, PS2-MoA11. Retrieved from http://www2.avs.org/symposium2010/Papers/Paper_PS2-MoA11.html
Observation of discharge and plasma bullet formation in capillary dielectric barrier micro-discharges
Oh, J. S., Bryant, P. M., & Bradley, J. W. (2010). Observation of discharge and plasma bullet formation in capillary dielectric barrier micro-discharges. 37th IOP Annual Conference on Plasma Physics, 37, 41.
2009
The effects of composition and pulsed biasing on chromium nitride films
Freeman, J. A., Kelly, P. J., West, G. T., Bradley, J. W., & Iordanova, I. (2009). The effects of composition and pulsed biasing on chromium nitride films. Surface and Coatings Technology, 204(6-7), 907-910. doi:10.1016/j.surfcoat.2009.05.049
γ-Al<sub>2</sub>O<sub>3</sub>nanoparticle production by arc-discharge in water:<i>in situ</i>discharge characterization and nanoparticle investigation
Delaportas, D., Svarnas, P., Alexandrou, I., Siokou, A., Black, K., & Bradley, J. W. (2009). γ-Al<sub>2</sub>O<sub>3</sub>nanoparticle production by arc-discharge in water:<i>in situ</i>discharge characterization and nanoparticle investigation. Journal of Physics D: Applied Physics, 42(24), 245204. doi:10.1088/0022-3727/42/24/245204
OLED substrate conditioning by low power density RF plasmas
Svarnas, P., Bradley, J. W., & Shard, A. G. (2009). OLED substrate conditioning by low power density RF plasmas. Surface and Coatings Technology, 204(1-2), 99-107. doi:10.1016/j.surfcoat.2009.06.034
Pulsed magnetron sputtering - process overview and applications
Kelly, P. J., & Bradley, J. W. (2009). Pulsed magnetron sputtering - process overview and applications. JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS, 11(9), 1101-1107.
Influence of the plasma sheath on plasma polymer deposition in advance of a mask and down pores.
Zelzer, M., Scurr, D., Abdullah, B., Urquhart, A. J., Gadegaard, N., Bradley, J. W., & Alexander, M. R. (2009). Influence of the plasma sheath on plasma polymer deposition in advance of a mask and down pores.. The journal of physical chemistry. B, 113(25), 8487-8494. doi:10.1021/jp902137y
Physics and phenomena in pulsed magnetrons: an overview
Bradley, J. W., & Welzel, T. (2009). Physics and phenomena in pulsed magnetrons: an overview. Journal of Physics D: Applied Physics, 42(9), 093001. doi:10.1088/0022-3727/42/9/093001
'-A1203 nanoparticle production by arc-discharge in water: in situ discharge characterization and nanoparticle investigation'
Delaportas, D., Svarnas, P., Alexandrou, I., Siokou, A., Black, K., & Bradley, J. W. (2009). '-A1203 nanoparticle production by arc-discharge in water: in situ discharge characterization and nanoparticle investigation'. Journal Phys. D: Applied Physics 42 245204.
1‐D Self‐consistent Fluid Modelling of the Pulsed Magnetron Discharge
Thomason, P., Browning, P., & Bradley, J. (2009). 1‐D Self‐consistent Fluid Modelling of the Pulsed Magnetron Discharge. Plasma Processes and Polymers, 6(S1). doi:10.1002/ppap.200931902
Cathode Current Density Distributions in High Power Impulse and Direct Current Magnetron Sputtering Modes
Clarke, G., Mishra, A., Kelly, P. J., & Bradley, J. W. (2009). Cathode Current Density Distributions in High Power Impulse and Direct Current Magnetron Sputtering Modes. Plasma Processes and Polymers, 6(S1). doi:10.1002/ppap.200931201
Measurements of Deposition Rate and Substrate Heating in a HiPIMS Discharge
West, G., Kelly, P., Barker, C., Mishra, A., & Bradley, J. (2009). Measurements of Deposition Rate and Substrate Heating in a HiPIMS Discharge. Plasma Processes and Polymers, 6(S1). doi:10.1002/ppap.200931202
Monte Carlo Simulation of Electrons' and Ions' Trajectories in Magnetron Sputtering Systems
Holik, M., Bradley, J., Bellido‐Gonzalez, V., & Monaghan, D. (2009). Monte Carlo Simulation of Electrons' and Ions' Trajectories in Magnetron Sputtering Systems. Plasma Processes and Polymers, 6(S1). doi:10.1002/ppap.200931905
Negative Ion Density Measurements in Reactive Magnetron Sputtering
Dodd, R., You, S., Bryant, P. M., & Bradley, J. W. (2009). Negative Ion Density Measurements in Reactive Magnetron Sputtering. Plasma Processes and Polymers, 6(S1). doi:10.1002/ppap.200931606
2008
Spatially-resolved optical emission from a bi-polar pulsed DC magnetron discharge
Swindells, I., Kelly, P. J., & Bradley, J. W. (2008). Spatially-resolved optical emission from a bi-polar pulsed DC magnetron discharge. Surface and Coatings Technology, 203(3-4), 391-395. doi:10.1016/j.surfcoat.2008.09.024
Image processing virtual circuitry for physics based applications on field programmable gate array technology
Tickle, A. J., Marchant, J., Steele, I. A., Clarke, G., Smith, J. S., & Bradley, J. W. (2008). Image processing virtual circuitry for physics based applications on field programmable gate array technology. In L. Mazuray, R. Wartmann, A. Wood, J. -L. Tissot, & J. M. Raynor (Eds.), Unknown Book (Vol. 7100, pp. 71002I). SPIE. doi:10.1117/12.797727
Time-Resolved Imaging of a Silicon Micro-Cavity Discharge Array
Bryant, P. M., Clarke, G. C. B., Kim, T., Park, S. -J., Eden, J. G., & Bradley, J. W. (2008). Time-Resolved Imaging of a Silicon Micro-Cavity Discharge Array. IEEE Transactions on Plasma Science, 36(4), 1248-1249. doi:10.1109/tps.2008.924552
Time-Resolved Optical Imaging of an AC Magnetron Discharge
Clarke, G. C. B., Kelly, P. J., & Bradley, J. W. (2008). Time-Resolved Optical Imaging of an AC Magnetron Discharge. IEEE Transactions on Plasma Science, 36(4), 1372-1373. doi:10.1109/tps.2008.920287
Temporal evolution of an electron-free afterglow in the pulsed plasma polymerisation of acrylic acid.
Swindells, I., Voronin, S. A., Bryant, P. M., Alexander, M. R., & Bradley, J. W. (2008). Temporal evolution of an electron-free afterglow in the pulsed plasma polymerisation of acrylic acid.. The journal of physical chemistry. B, 112(13), 3938-3947. doi:10.1021/jp7104117
Microstructural control of TiC/a-C nanocomposite coatings with pulsed magnetron sputtering
Pei, Y. T., Chen, C. Q., Shaha, K. P., De Hosson, J. T. M., Bradley, J. W., Voronin, S. A., & Čada, M. (2008). Microstructural control of TiC/a-C nanocomposite coatings with pulsed magnetron sputtering. Acta Materialia, 56(4), 696-709. doi:10.1016/j.actamat.2007.10.025
Investigation of cell-surface interactions using chemical gradients formed from plasma polymers.
Zelzer, M., Majani, R., Bradley, J. W., Rose, F. R. A. J., Davies, M. C., & Alexander, M. R. (2008). Investigation of cell-surface interactions using chemical gradients formed from plasma polymers.. Biomaterials, 29(2), 172-184. doi:10.1016/j.biomaterials.2007.09.026
Numerical investigation via three-dimensional Monte Carlo modeling of sputtering and deposition processes in a direct current unbalanced magnetron discharge
Sobbia, R., Browning, P. K., & Bradley, J. W. (2008). Numerical investigation via three-dimensional Monte Carlo modeling of sputtering and deposition processes in a direct current unbalanced magnetron discharge. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 26(1), 103-113. doi:10.1116/1.2816940
2007
A comparison of the characteristics of planar and cylindrical magnetrons operating in pulsed DC and AC modes
Kelly, P. J., West, G., Kok, Y. N., Bradley, J. W., Swindells, I., & Clarke, G. C. B. (2007). A comparison of the characteristics of planar and cylindrical magnetrons operating in pulsed DC and AC modes. Surface and Coatings Technology, 202(4-7), 952-956. doi:10.1016/j.surfcoat.2007.04.130
Measurement of energy transfer at an isolated substrate in a pulsed dc magnetron discharge
Čada, M., Bradley, J. W., Clarke, G. C. B., & Kelly, P. J. (2007). Measurement of energy transfer at an isolated substrate in a pulsed dc magnetron discharge. Journal of Applied Physics, 102(6). doi:10.1063/1.2779287
Time-resolved triple probe investigations of a pulsed magnetron discharge
Bryant, P. M., Voronin, S. A., Bradley, J. W., & Vetushka, A. (2007). Time-resolved triple probe investigations of a pulsed magnetron discharge. Journal of Applied Physics, 102(4). doi:10.1063/1.2769805
Detection of negative molecular ions in acrylic acid plasma: some implications for polymerization mechanisms.
Swindells, I., Voronin, S. A., Fotea, C., Alexander, M. R., & Bradley, J. W. (2007). Detection of negative molecular ions in acrylic acid plasma: some implications for polymerization mechanisms.. The journal of physical chemistry. B, 111(30), 8720-8722. doi:10.1021/jp074258o
A floating hairpin resonance probe technique for measuring time-resolved electron density in pulse discharge
Karkari, S. K., Gaman, C., Ellingboe, A. R., Swindells, I., & Bradley, J. W. (2007). A floating hairpin resonance probe technique for measuring time-resolved electron density in pulse discharge. Measurement Science and Technology, 18(8), 2649-2656. doi:10.1088/0957-0233/18/8/041
An improved method for IEDF determination in pulsed plasmas and its application to the pulsed dc magnetron
Voronin, S. A., Clarke, G. C. B., Čada, M., Kelly, P. J., & Bradley, J. W. (2007). An improved method for IEDF determination in pulsed plasmas and its application to the pulsed dc magnetron. Measurement Science and Technology, 18(7), 1872-1876. doi:10.1088/0957-0233/18/7/012
Characterization of thin-film deposition in a pulsed acrylic acid polymerizing discharge
Voronin, S. A., Bradley, J. W., Fotea, C., Zelzer, M., & Alexander, M. R. (2007). Characterization of thin-film deposition in a pulsed acrylic acid polymerizing discharge. Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, 25(4), 1093-1097. doi:10.1116/1.2712186
The Influence of Pulse Frequency and Duty on the Deposition Rate in Pulsed Magnetron Sputtering
Kelly, P. J., Onifade, A. A., Zhou, Y., Clarke, G. C. B., Audronis, M., & Bradley, J. W. (2007). The Influence of Pulse Frequency and Duty on the Deposition Rate in Pulsed Magnetron Sputtering. Plasma Processes and Polymers, 4(3), 246-252. doi:10.1002/ppap.200600159
The current-density distribution in a pulsed dc magnetron deposition discharge
Vetushka, A., & Bradley, J. W. (2007). The current-density distribution in a pulsed dc magnetron deposition discharge. Journal of Physics D: Applied Physics, 40(7), 2037-2044. doi:10.1088/0022-3727/40/7/028
Pulsed and continuous wave acrylic acid radio frequency plasma deposits: plasma and surface chemistry.
Voronin, S. A., Zelzer, M., Fotea, C., Alexander, M. R., & Bradley, J. W. (2007). Pulsed and continuous wave acrylic acid radio frequency plasma deposits: plasma and surface chemistry.. The journal of physical chemistry. B, 111(13), 3419-3429. doi:10.1021/jp068488z
"Study of the particle power density at an isolated substrate in a pulsed DC magnetron discharge
Čada, M., Bradley, J. W., Clarke, G. C. B., & Kelly, P. J. (2007). "Study of the particle power density at an isolated substrate in a pulsed DC magnetron discharge. J. Appl. Phys., 102(9), 063301.
'Mass spectroscopic studies of the hysteresis behaviour exhibited during the deposition of titanium oxides by reactive pulsed magnetron sputtering'
Clarke, G., Čada, M., Kelly, P. J., & Bradley, J. (2007). 'Mass spectroscopic studies of the hysteresis behaviour exhibited during the deposition of titanium oxides by reactive pulsed magnetron sputtering'. In 50th Society of Vacuum Coaters annual technical conference (pp. 422-426). Kentucky: Society of Vacuum Coaters.
'Time-resolved triple probe investigations of a pulsed magnetron discharge'
Bryant, P. M., Voronin, S. A., Vetushka, A., & Bradley, J. W. (2007). 'Time-resolved triple probe investigations of a pulsed magnetron discharge'. Journal of Applied Physics, 102, 043302.
Observations of electron density modulations in an asymmetric bi-polar pulsed dc magnetron discharge,
Karkari, S. K., Ellingboe, A. R., Gaman, C., Swindells, I., & Bradley, J. W. (2007). Observations of electron density modulations in an asymmetric bi-polar pulsed dc magnetron discharge,. J Appl. Phys., 102((6):), Art No 063308.
Surface chemical gradients for guidance of cellular adhesion
Zelzer, M., Majani, R., Bradley, J. W., Rose, F. R. A. J., Davies, M. C., & Alexander, M. R. (2007). Surface chemical gradients for guidance of cellular adhesion. Biomaterials, 29, 172-184.
The diagnosis of plasma parameters in processing textiles and other materials
Bradley, J. W., & Bryant, P. M. (2007). The diagnosis of plasma parameters in processing textiles and other materials. In R. Shishoo (Ed.), Plasma technologies for textiles (pp. 25-54). Cambridge: Woodhead publishing.
2006
Time-resolved mass and energy spectral investigation of a pulsed polymerising plasma struck in acrylic acid
Voronin, S. A., Alexander, M. R., & Bradley, J. W. (2006). Time-resolved mass and energy spectral investigation of a pulsed polymerising plasma struck in acrylic acid. Surface and Coatings Technology, 201(3-4), 768-775. doi:10.1016/j.surfcoat.2005.12.031
The surface chemistry resulting from low-pressure plasma treatment of polystyrene: The effect of residual vessel bound oxygen
Dhayal, M., Alexander, M. R., & Bradley, J. W. (2006). The surface chemistry resulting from low-pressure plasma treatment of polystyrene: The effect of residual vessel bound oxygen. Applied Surface Science, 252(22), 7957-7963. doi:10.1016/j.apsusc.2005.10.005
Time resolved 2-D optical imaging of a pulsed unbalanced magnetron plasma
Bradley, J. W., Clarke, G. C. B., Braithwaite, N. S. J., Bryant, P. M., & Kelly, P. J. (2006). Time resolved 2-D optical imaging of a pulsed unbalanced magnetron plasma. Plasma Sources Science and Technology, 15(2), S44-S50. doi:10.1088/0963-0252/15/2/s06
Influence of substrate conditions on the temporal behaviour of plasma parameters in a pulsed dc magnetron discharge
Swindells, I., Kelly, P. J., & Bradley, J. W. (n.d.). Influence of substrate conditions on the temporal behaviour of plasma parameters in a pulsed dc magnetron discharge. New Journal of Physics, 8(4), 47. doi:10.1088/1367-2630/8/4/047
Diagnostics and Control of Plasma Parameters
Bradley, J. W., & Bryant, P. (2006). Diagnostics and Control of Plasma Parameters. In R. Shishoo (Ed.), Plasma technologies for textiles (pp. 1-50). Bristol: Woodhead Publishing Ltd..
Influence of substrate conditions on the temporal behaviour of plasma parameters in a pulsed DC magnetron discharge
Swindells, I., Kelly, P. J., & Bradley, J. W. (2006). Influence of substrate conditions on the temporal behaviour of plasma parameters in a pulsed DC magnetron discharge. New Journal of Physics.
Time resolved 2-D optical imaging of a pulsed unbalanced
Bradley, J. W., Clarke, G. C. B., Braithwaite, N. S. J., Bryant, P. M., & Kelly, P. J. (2006). Time resolved 2-D optical imaging of a pulsed unbalanced. Plasma sources Science and Technology.
2005
Time-resolved measurements of the ion energy distribution function in a pulsed discharge using a double gating technique
Voronin, S. A., Alexander, M. R., & Bradley, J. W. (2005). Time-resolved measurements of the ion energy distribution function in a pulsed discharge using a double gating technique. Measurement Science and Technology, 16(12), 2446-2452. doi:10.1088/0957-0233/16/12/007
Ultralow energy ion beam surface modification of low density polyethylene.
Shenton, M. J., Bradley, J. W., van den Berg, J. A., Armour, D. G., & Stevens, G. C. (2005). Ultralow energy ion beam surface modification of low density polyethylene.. The journal of physical chemistry. B, 109(47), 22085-22088. doi:10.1021/jp054758m
Cathode current distributions in an unbalanced magnetron
Clarke, G. C. B., Kelly, P. J., & Bradley, J. W. (2005). Cathode current distributions in an unbalanced magnetron. Surface and Coatings Technology, 200(5-6), 1341-1345. doi:10.1016/j.surfcoat.2005.08.079
Evidence for a propagating density structure in a pulsed DC magnetron discharge
Bradley, J. W., & Bäcker, H. (2005). Evidence for a propagating density structure in a pulsed DC magnetron discharge. Surface and Coatings Technology, 200(1-4), 616-619. doi:10.1016/j.surfcoat.2005.01.074
Observations of the long-term plasma evolution in a pulsed dc magnetron discharge
Bäcker, H., & Bradley, J. W. (2005). Observations of the long-term plasma evolution in a pulsed dc magnetron discharge. Plasma Sources Science and Technology, 14(3), 419-431. doi:10.1088/0963-0252/14/3/003
Time-resolved electric probe measurements in the pulsed-plasma polymerisation of acrylic acid
Dhayal, M., & Bradley, J. W. (2005). Time-resolved electric probe measurements in the pulsed-plasma polymerisation of acrylic acid. Surface and Coatings Technology, 194(1), 167-174. doi:10.1016/j.surfcoat.2004.05.013
The effect of positive ion energy on plasma polymerization: a comparison between acrylic and propionic acids.
Barton, D., Shard, A. G., Short, R. D., & Bradley, J. W. (2005). The effect of positive ion energy on plasma polymerization: a comparison between acrylic and propionic acids.. The journal of physical chemistry. B, 109(8), 3207-3211. doi:10.1021/jp045338k
, ¿Diagnosing pulsed magnetron sputtering discharges
Bradley, J. (2005). , ¿Diagnosing pulsed magnetron sputtering discharges. In International conference on metalurgy and thin films (pp. 1-2). San diego: ICM Press.
Cathode Current Distributions in Unbalanced Magnetrons,
Clarke, G. C. B., Kelly, P. J., & Bradley, J. W. (2005). Cathode Current Distributions in Unbalanced Magnetrons,. In International conference on metalurgy and thin films (pp. 1-2). San diego: ICM Press.
Plasma processing of materials
Bradley, J. (2005). Plasma processing of materials. In ICPIG 2005 conference (pp. 1-2). Eindhoven: ICPIG.
TIME-RESOLVED DOUBLE PROBE MEASUREMENTS IN A PULSED MAGNETRON DISCHARGE
Karkari, S., & Bradley, J. W. (2005). TIME-RESOLVED DOUBLE PROBE MEASUREMENTS IN A PULSED MAGNETRON DISCHARGE. In 48th Annual SVC Technical Conference and Smart Materials Symposium (pp. 491). Denver: Society of Vacuum coaters.
Time-Resolved Mass and Energy Spectral Measurements in an Acrylic Acid Pulsed Plasma,
Voronin, S., Alexander, M., & Bradley, J. W. (2005). Time-Resolved Mass and Energy Spectral Measurements in an Acrylic Acid Pulsed Plasma,. In August 7th-12th, 2005. (pp. 1-2). Toronto, Canada: ICPC press.
2004
Investigating the Plasma Surface Modification of Polystyrene at Low Ion Power Densities
Dhayal, M., Parry, K. L., Short, R. D., & Bradley, J. W. (2004). Investigating the Plasma Surface Modification of Polystyrene at Low Ion Power Densities. The Journal of Physical Chemistry B, 108(37), 14000-14004. doi:10.1021/jp0477046
2003
The effect of ion energy upon plasma polymerization deposition rate for acrylic acid.
Barton, D., Short, R. D., Fraser, S., & Bradley, J. W. (2003). The effect of ion energy upon plasma polymerization deposition rate for acrylic acid.. Chemical communications (Cambridge, England), (3), 348-349. doi:10.1039/b210781c
2002
A Multi-Technique Investigation of the Pulsed Plasma and Plasma Polymers of Acrylic Acid: Millisecond Pulse Regime
Fraser, S., Short, R. D., Barton, D., & Bradley, J. W. (2002). A Multi-Technique Investigation of the Pulsed Plasma and Plasma Polymers of Acrylic Acid: Millisecond Pulse Regime. The Journal of Physical Chemistry B, 106(22), 5596-5603. doi:10.1021/jp012406j
The distribution of ion energies at the substrate in an asymmetric bi-polar pulsed DC magnetron discharge
Bradley, J. W., Bäcker, H., Aranda-Gonzalvo, Y., Kelly, P. J., & Arnell, R. D. (2002). The distribution of ion energies at the substrate in an asymmetric bi-polar pulsed DC magnetron discharge. Plasma Sources Science and Technology, 11(2), 165-174. doi:10.1088/0963-0252/11/2/307
2001
The plasma boundary containing fast isotropic electrons: a comparison between kinetic and fluid ion models
Bradley, J. W. (2001). The plasma boundary containing fast isotropic electrons: a comparison between kinetic and fluid ion models. Journal of Physics D: Applied Physics, 34(22), 3241-3246. doi:10.1088/0022-3727/34/22/307
Time-resolved Langmuir probe measurements at the substrate position in a pulsed mid-frequency DC magnetron plasma
Bradley, J. W., Bäcker, H., Kelly, P. J., & Arnell, R. D. (2001). Time-resolved Langmuir probe measurements at the substrate position in a pulsed mid-frequency DC magnetron plasma. Surface and Coatings Technology, 135(2-3), 221-228. doi:10.1016/s0257-8972(00)00990-7